William J. Kolasky

Hughes Hubbard & Reed LLP

William J. Kolasky is a partner in the Washington, DC, office of Hughes Hubbard & Reed. He has nearly 40 years of experience across the full range of antitrust litigation and counseling. William regularly represents clients in antitrust litigation before courts all over the country.

He also represents clients in criminal and civil investigations before both the Antitrust Division of the Department of Justice and the Federal Trade Commission. He has secured antitrust clearance from the two agencies for more than 100 mergers and acquisitions, and has coordinated merger reviews in multiple jurisdictions around the world.

He also regularly counsels clients about antitrust aspects of a wide variety of business arrangements, from joint ventures to distribution arrangements. In 2013, he received the Global Competition Review’s Lifetime Achievement Award for his accomplishments in private practice, government service and antitrust scholarship.

William served as deputy assistant attorney general in the Antitrust Division of the US Department of Justice. While there, he was one of the architects of the International Competition Network, a network of over 100 competition authorities worldwide designed to promote greater international cooperation and convergence among those authorities.

He has also taught antitrust law for over 10 years at American University’s Washington College of Law.

Professional Activities:

  • William publishes and speaks regularly on antitrust law subjects in both the United States and Europe. He has taught antitrust law at American University’s Washington College of Law. William has been active in the Section of Antitrust Law of the American Bar Association for many years and currently serves as an associate editor for their Antitrust Magazine


  • Harvard University, J.D., 1971, magna cum laude, Note Editor, Harvard Law Review
  • Dartmouth College, A.B., 1968, magna cum laude


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What types of cases Attorney William J. Kolasky & Hughes Hubbard & Reed LLP can handle?
Hughes Hubbard & Reed LLP can handle cases related to laws concerning Litigation, Antitrust & Trade. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Hughes Hubbard & Reed LLP located?
Hughes Hubbard & Reed LLP is located at 1775 I St NW, Washington, DC 20006, USA. You can reach out to Hughes Hubbard & Reed LLP using their phone line +1 (202) 721-4771. You can also check their website hugheshubbard.com.
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